ORA-01045: user ABC lacks CREATE SESSION privilege; logon denied

ORA-01045: user ABC lacks CREATE SESSION privilege; logon denied

ORA-01045: user ABC lacks CREATE SESSION privilege; logon denied

Solution:- User "ABC" does not have the "CREATE SESSION" privilege so after giving same privilege user will be able to login

connect with sys or system user and grant the privilege

SQL>grant  CREATE SESSION to ABC;